A unit of measure by newspapers whereby advertisement space is purchased by the width, in columns, and the depth in inches. For example, an advertisement that is three standard columns wide and five inches tall (or deep) would be 15 column inches.
A unit of measure by newspapers whereby advertisement space is purchased by the width, in columns, and the depth in inches. For example, an advertisement that is three standard columns wide and five inches tall (or deep) would be 15 column inches.
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